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Debian DLA-3648-1 : tang - LTS security update

medium Nessus Plugin ID 185343

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has a package installed that is affected by a vulnerability as referenced in the dla-3648 advisory.

 - A race condition exists in the Tang server functionality for key generation and key rotation. This flaw results in a small time window where Tang private keys become readable by other processes on the same host. (CVE-2023-1672)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the tang packages.

For Debian 10 Buster, this problem has been fixed in version 7-1+deb10u2.

See Also

https://www.debian.org/lts/security/2023/dla-3648

https://security-tracker.debian.org/tracker/CVE-2023-1672

https://packages.debian.org/source/buster/tang

Plugin Details

Severity: Medium

ID: 185343

File Name: debian_DLA-3648.nasl

Version: 1.0

Type: local

Agent: unix

Published: 11/7/2023

Updated: 11/7/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:A/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2023-1672

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:tang

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/7/2023

Vulnerability Publication Date: 6/14/2023

Reference Information

CVE: CVE-2023-1672